Single 18 Inch Ported Subwoofer Box Design - CT SOUNDS
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Single 18 Inch Ported Subwoofer Box Design

$4.44
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Now: $3.55
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$3.55

The single 18-inch ported subwoofer box design provides you with the blueprints to build your own ported subwoofer box. This single 18-in sub-box design has a volume of 5.25 ft3 and a tuning frequency of 32 Hz. Dimensions: 34" x 29.5" x 14".

A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com.

*Note: All box designs are non-returnable. There is no refund on box designs. 

Customer Reviews

Based on 13 reviews
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D
D M. (Chicago, IL)
Happy to have

Happy to have found it needs to able to adjust size though. 1st box Build. Thank you

A
Angel

Perfect sound

T
Tony

Perfect just show a 18in box for aero port

C
C.S. (Memphis, TN)
Excellent SQ Enclosure

Great SQ Enclosure.... it hits the highs and LOWS equally. It doesn't seem to really peak at any one frequency, even where it is tuned to. This design requires only one sheet of any 4" x 8" material you decide to use and will fit in most medium sized trunks with an opening of 17" or greater.

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Tavares W. (Blytheville, AR)
18 Inch Ported Enclosure

Box hits pretty good. My friend and I used this design after his brother built one from speaker box lite which didn’t sound good at all. This one here hits just right. Speaker breathes good and the lows are nice

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